<html>
 <head>
  <title>Test Page for doublenumber(value)</title>
  <script language="javascript" src="jsUnitCore.js"></script>
  <script language="javascript" src="importExport.js"></script>
 </head>
 <body>
  <script language="javascript">
    function testWithValidArgs() {
        assertEquals("number 2 is '02'", "02", doublenumber(2));
        assertEquals("Should work with negative numbers", '14', doublenumber(14));
    }
  /*  function testWithInvalidArgs() {
        assertNull("A null argument should result in null", add(2, null));
        assertNull("A string argument should result in null", add(2, "a string"));
    }
    function testStrictReturnType() {
        assertNotEquals("Should return a number, not a string", "5", add(2, 3));
    }
    function testWithUndefinedValue() {
        assertNull("An undefined argument should result in null", add(2, JSUNIT_UNDEFINED_VALUE));
    }
*/
</script>
 </body>
</html>